10212011101 has 4 divisors (see below), whose sum is σ = 10212357532. Its totient is φ = 10211664672.

The previous prime is 10212011093. The next prime is 10212011113. The reversal of 10212011101 is 10111021201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6698604025 + 3513407076 = 81845^2 + 59274^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212011101 - 2³ = 10212011093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212011191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124416 + ... + 189481.

It is an arithmetic number, because the mean of its divisors is an integer number (2553089383).

Almost surely, 2^10212011101 is an apocalyptic number.

It is an amenable number.

10212011101 is a deficient number, since it is larger than the sum of its proper divisors (346431).

10212011101 is an equidigital number, since it uses as much as digits as its factorization.

10212011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346430.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10212011101 its reverse (10111021201), we get a palindrome (20323032302).

The spelling of 10212011101 in words is "ten billion, two hundred twelve million, eleven thousand, one hundred one".